CN101727830A - Led screen display system - Google Patents
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- CN101727830A CN101727830A CN200910237274A CN200910237274A CN101727830A CN 101727830 A CN101727830 A CN 101727830A CN 200910237274 A CN200910237274 A CN 200910237274A CN 200910237274 A CN200910237274 A CN 200910237274A CN 101727830 A CN101727830 A CN 101727830A
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Abstract
The invention discloses an LED display system which comprises a detection and control device and an LED display screen, wherein the detection and control device comprises a detection module and a control module; the detection module is provided with a detection submodule, a state feedback submodule and a storage submodule; the control module is provided with a data encoding submodule, a data-check error-correction submodule and a control submodule; the data encoding submodule receives video signals, encodes data and generates display data; the detection submodule is used for detecting the display device and generating detection data; the storage submodule is used for receiving and storing the detection data; the state feedback submodule is used for generating state display data and transmitting the state display data to an external display terminal; the data-check error-correction submodule is used for correcting the display data according to the detection data and transmitting the display data to the control submodule; and the control submodule is used for controlling the display device according to the display data.
Description
Technical field
The present invention relates to a kind of LED lighting device display technique, particularly, relate to a kind of LED screen display system.
Background technology
Development along with the LED display technique, LED display application and LED lamp decoration brightening application are low because of its energy consumption, color reducibility is strong, characteristics such as life-span length, enormous size, exotic shape, various occasions have been applied to more and more widely, in the middle of these were used, fault detection technique also more and more embodied its importance.LED display application in the particularly great occasion because of its movable importance, thereby shows failure judgment and reaches the requirement of safeguarding also higher to LED.
In the middle of current LED display application, although having recognized LED, users show the significance of fault detection technique, leading firm is also in the research and development of having carried out fault detection technique in varying degrees both at home and abroad.But be limited by the technical strength various factors, present fault judgement focuses mostly on and judges that in visual inspection and experience detection means also stays in offline inspection means such as multimeter, oscillograph, efficient is low, weak effect, and detection means falls behind, levels of precision is not high, and intelligent level is low.The contradiction of widespread popularity and fault-detecting ability deficiency is also more and more outstanding.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical matters to be solved by this invention is, a kind of fault detect efficient height is provided, detect the degree of accuracy height, detect effective, and, the LED screen display system that display effect is good.
Technical scheme of the present invention is as follows: a kind of LED screen display system wherein, comprises LED display and measuring and controlling device; Described LED display comprises a framework and at least two pcb boards, and at least one LED pixel is set on arbitrary pcb board, and each LED pixel becomes dot matrix to arrange; Described measuring and controlling device comprises detection module and control module, and described detection module is provided with detection sub-module, sub module stored and state feedback submodule, and described control module is provided with digital coding submodule, data check error correction submodule and controlling sub; Described digital coding submodule is connected with external video source, is used to receive outside vision signal, carries out digital coding, generates video data; Comprising the described detection sub-module that detects data generating unit is connected with described state feedback submodule, described sub module stored, described LED display, described data check error correction submodule respectively, be used for detecting each the LED pixel of described LED display and the circuit state of each circuit between each LED pixel, generate the detection data by described detection data generating unit according to described circuit state, send to described data check error correction submodule, described sub module stored and described state feedback submodule respectively by described detection sub-module; Described sub module stored is used for receiving and storing described detection data; The described state feedback submodule that comprises state video data generation unit is used to receive described detection data, by described state video data generation unit according to described detection data, analyze the state of described LED display, generation state video data, and described state video data sent to external display terminal; Described data check error correction submodule also is connected with described digital coding submodule, described controlling sub respectively, be used to receive described video data,, proofread and correct described video data according to described detection data, and, the video data after proofreading and correct is sent to described controlling sub; Described controlling sub is connected with described LED display, is used for controlling described LED display according to the video data after proofreading and correct.
Described LED screen display system, wherein, it comprises described display terminal, is connected with described state feedback submodule, is used for showing the state of described LED display according to described state video data; Described sub module stored is provided with the covering storage unit, is used to adopt new detection data to replace original detection data, covers storage; And described display terminal also is connected with described sub module stored, is used to analyze described detection data, shows the performance parameter of described LED display.
Described LED screen display system, wherein, described detection module also is provided with a failure warning submodule, be connected with described state feedback submodule, be used for according to described state video data, generate the failure warning signal data, and described failure warning signal data is sent to described display terminal.
Described LED screen display system, wherein, described digital coding submodule is provided with coding unit, is used to be provided with network data package form, carries out digital coding according to described package form, and wherein, every frame data are made up of packet header, data, bag tail.
Described LED screen display system wherein, is connected by super Category-5 twisted pair or optical cable between each module.
Described LED screen display system, wherein, described detection sub-module is provided with current detecting unit and/or voltage detection unit, is respectively applied for the electric current, the voltage that detect each circuit between each LED pixel and/or each the LED pixel; Described detection data generating unit is used for generating described detection data according to described electric current and/or voltage.
Described LED screen display system, wherein, arbitrary LED pixel is provided with at least one red LED light emitting diode, at least one blue led light emitting diode and at least one green LED light emitting diode; And the color development area of each LED pixel is identical.
Described LED screen display system, wherein, described LED display is provided with at least one identify unit, is used to identify each performance parameter of described LED display.
Described LED screen display system, wherein, described identify unit is paper labels or plastic label; Perhaps be to have the bar code that designs according to each performance parameter.
Described LED screen display system, wherein, the surface of described LED display also is provided with a black coating or a water barrier.
Adopt such scheme, the present invention is by being provided with described measuring and controlling device, and, described measuring and controlling device comprises detection module and control module, detection module can be implemented to detect in real time and monitoring, analyze the show state of LED display, pass back to display terminal, make LED display system fault detect efficient height, it is high effective with detection to detect degree of accuracy, and, by returning the fault show state of described LED display, and analyze by right detection data, can obtain described LED display each performance parameter when showing, can find the generation of fault fast, the particular location that takes place, and fault type, make maintenance quick and convenient, and, can obtain various failure messages and the correlated performance parameter of described LED display when showing at any time, the convenient use; Control module can be corrected in real time to video data, makes the demonstration degree of accuracy of described display device higher, and display effect is better.
Description of drawings
Fig. 1 is the synoptic diagram of embodiment 1 among the present invention;
Fig. 2 is the synoptic diagram of embodiment 2 among the present invention;
Fig. 3 is the synoptic diagram of embodiment 3 among the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, present embodiment provides a kind of LED screen display system, described LED screen display system comprises a LED display and a measuring and controlling device, described measuring and controlling device is used for detecting and controlling described LED display, and described LED display is used for the figure, literal, letter, animation of display video source file etc.
For example, described LED display can be a penetrating LED display, and described penetrating LED display comprises a framework and two or many pcb boards, and each pcb board is fixed on the described framework, thereby forms described penetrating LED display; And, one or more LED pixels are set on arbitrary pcb board, each LED pixel becomes dot matrix to arrange; And, be printed with positive source line, power-polar curve, signal wire etc. on the described pcb board, and other electronic devices and components and electronic circuit also be housed, as electric capacity, resistance etc.
Described measuring and controlling device comprises detection module and control module, and wherein, described detection module is provided with detection sub-module, sub module stored and state feedback submodule; And described control module is provided with digital coding submodule, data check error correction submodule and controlling sub.
Described digital coding submodule is connected with external video source, for example, be connected with the PC of outside, PC sends to described digital coding submodule with the form of video file content displayed by signal, described digital coding submodule receives the vision signal that PC sends, and carries out digital coding, and, generate video data, show so that described LED display to be provided.
Described detection sub-module is connected with described LED display, as with as described in each LED pixel of LED display be connected, whether be used to detect described LED display breaks down, detection sub-module comprises a detection data generating unit as described, detect each LED pixel by described detection sub-module, and whether the connection line between the two LED pixels that are connected breaks down, and, described detection data generating unit generates according to described circuit state and detects data, wherein, described detection data are the performance parameter data that each LED pixel shows, and the data that break down for the connection line between each LED pixel and the two LED pixels that are connected, and be each LED pixel, and the trouble-free data of connection line between the two LED pixels that are connected.
Wherein, described circuit state is other information of current information, information of voltage or circuit, for example, and the current information of each LED pixel; Perhaps, the information of voltage of each LED pixel; Perhaps, the current information of each LED pixel and information of voltage; Perhaps, other information of current information, information of voltage or the circuit of each circuit between each LED pixel or the like.
For example, current detecting unit is set, and described detection data generating unit is used for generating described detection data according to described electric current in described detection sub-module.Perhaps, voltage detection unit is set, and described detection data generating unit is used for generating described detection data according to described voltage in described detection sub-module.Perhaps, current detecting unit and voltage detection unit are set simultaneously, and described detection data generating unit is used for generating described detection data according to described electric current and described voltage.Wherein, described current detecting unit is used to detect the electric current of each circuit between each LED pixel and each the LED pixel, and described voltage detection unit is used to detect the voltage of each circuit between each LED pixel and each the LED pixel; Like this, described detection data generating unit just can generate described detection data according to described electric current or voltage or simultaneously according to electric current and voltage.
And, described detection sub-module also is connected with described state feedback submodule, described sub module stored and described data check error correction submodule respectively, after described detection sub-module generates described detection data, and should detect data and sent to described state feedback submodule, described sub module stored and described data check error correction submodule respectively.
Described sub module stored receives the described detection from described detection sub-module, and, described detection data are stored, detection data when described memory module also can be used to store described LED display and breaks down at every turn, make described LED display maintenance and repair record complete display, be convenient to sum up the fault occurrence cause, thereby avoid once more same fault to take place.For example, described memory module can be set to semiconductor memory, as internal memory, flash memory etc., perhaps, is magnetic surface storage, as hard disk, floppy disk, tape etc., perhaps, can also be optical memory etc.For example, described sub module stored can be provided with the covering storage unit, is used to adopt new detection data to replace original detection data, covers storage, like this, therein call data the time, up-to-date detection data can only appear; Perhaps, described sub module stored can be stored 10 batches detection data, covers storage unit and overrides one batch the longest detection data of life period at every turn.
Described state feedback submodule receives from the described detection data of described detection sub-module, for example, described state feedback submodule comprises a state video data generation unit, by described state video data generation unit according to described detection data, analyze the state of described LED display, generate the state video data, for example, analyze the performance parameter data that each LED pixel shows, generate the state video data that each LED pixel display performance parameter is normal or make a mistake; Perhaps; the state that is electrically connected of the connection line between the two LED pixels of analyzing each LED pixel and being connected, generate the LED pixel and the two LED pixels that are connected between connection line be state video data normal or that break down.
Described state feedback submodule also passes back to external display terminal with described state video data, for example described display terminal can be a PC, it perhaps is a display module, show according to described state video data by PC or display module, the state that shows described LED display, thereby can know described LED display for breaking down, or non-fault.
And, can also analyze detection data in the described memory module by described display terminal, thereby obtain each performance parameter of described LED display, as, the brightness data of each LED pixel of described LED display, display gray scale data etc., by showing the position of breaking down of described LED display, and according to described LED display each performance parameter when showing, can know the kind that breaks down, thereby in time described LED display is keeped in repair, make described LED display recover normal, easy to maintenance, quick, accurate fast.
Described data check error correction submodule also with the digital coding submodule, and described controlling sub is connected, the video data that will generate after described digital coding submodule will be encoded sends to described data check error correction submodule, simultaneously, described data check error correction submodule also receives the detection data from described detection sub-module, and, according to described detection data, correct described video data, for example, when described detection sub-module detects a certain LED pixel in the described display device, there is loss of data in data presented, perhaps during the data error code, described detection sub-module generates and detects data, to detect data and send to described data check error correction submodule, described data check error correction submodule is according to described detection data, utilize algorithm to recover correct raw display data, and, correct video data is sent to described controlling sub.
Described controlling sub one end is connected with described data check error correction submodule, reception is from the described video data of described data check error correction submodule, the described controlling sub other end is connected with described LED display, be used for according to described video data, control described LED display, make described LED display show the content of video file to display.
Described LED display shows according to described video data, the figure in can the display video source file, literal, letter, animation or the like.
Present embodiment is by in described measuring and controlling device, detection module and control module are set, detect show state, wire connection state and the display performance parameter of described LED display by detection sub-module, can know fast whether described LED display breaks down, and the kind that breaks down and each performance parameter when breaking down; And, by described digital coding submodule video signal data is encoded, and according to described detection data, by data check error correction submodule described video data is corrected in real time, make present embodiment LED screen display system fault detect efficient height, detect the degree of accuracy height and detect effective, and, can find out fault fast the source takes place, the performance parameter of described LED display when fault takes place, and keep in repair, simultaneously, make the LED display display effect that is connected with this measuring and controlling device good.For example, detection module and control module can be arranged in the etui, are connected by netting twine, optical cable etc. with the LED screen, are convenient to carry separately.
Embodiment 2
As shown in Figure 2, on the basis of above-mentioned each example, in the described LED screen display system, described measuring and controlling device also comprises described display terminal, and for example, described display terminal can be a display module, described display module is connected with described state feedback submodule, by receiving described detection data,, show the state of described LED display as the man-machine display interface from described state feedback submodule.
For example, described display terminal can be a LED display module, LCD display or other display modules, by described display terminal, can see the state of described LED display very intuitively, for example can show each LED pixel in the described display device and interconnect connection line between the two LED pixels is malfunction or for showing normal condition.
And, described display terminal also is connected with described sub module stored, access the detection data that are stored in described sub module stored by described display terminal, and, analyze described detection data, obtain described LED display each performance parameter when showing, and each fault performance parameter record when taking place, for example, when described LED display breaks down, in the time of can obtaining breaking down by described memory module, each performance parameter of described LED display, find out failure cause fast, make maintenance quick and convenient; Perhaps, when taking place by accessing each fault, the performance parameter of described LED display can be summed up the fault occurrence cause, avoids taking place once more same fault.
Embodiment 3
As shown in Figure 3, on the basis of above-mentioned each example, in the described LED screen display system, described detection module also is provided with a failure warning submodule, described failure warning submodule is connected with described state feedback submodule, the state video data that produces when described state feedback submodule is expressed as, when described LED display breaks down, described failure warning submodule is according to described state video data, generate the failure warning signal data, and described failure warning signal data is sent to described display terminal, send caution by display terminal, for example, after described display terminal receives described failure warning signal data, by real-time ejection warning window, and, indication fault point directly perceived and phenomenon of the failure, thereby the operator scheme of realization hommization.
Embodiment 4
On the basis of above-mentioned each example, in the described LED screen display system, described digital coding submodule also is provided with coding unit, described coding unit is used to be provided with network data package form, come described vision signal is carried out digital coding according to described package form, wherein, every frame data are made up of packet header, data, bag tail.
Because every frame data are adopted packet header, data, bag tail composition, every Bao Jun comprises data check and mechanism for correcting errors.This digital coding mode is guaranteed that data are subjected to uncertain interference in transmission course and when loss of data, error code take place, can be utilized algorithm to recover correct raw data, improved the accuracy rate of error-detecting greatly.
And, be connected by super Category-5 twisted pair or optical cable between each module, it is little that super Category-5 twisted pair has decay, and it is few to crosstalk, and have higher decay and the ratio of crosstalking (ACR) and signal to noise ratio (S/N ratio) (Structural Return Loss), littler time delay error, performance is greatly improved; And optical fiber has bandwidth, loss is low, in light weight, antijamming capability is strong, fidelity is high, reliable working performance, cost are constantly descended the degradation advantage, therefore, is connected by super Category-5 twisted pair or optical cable between each module, can obtain better cost performance.
Embodiment 5
On the basis of above-mentioned each example, in the described LED display, arbitrary LED pixel is provided with one or more red LED light emitting diodes, one or more blue led light emitting diode and one or more green LED light emitting diode; For example, each LED pixel is provided with a red LED light emitting diode, a blue led light emitting diode and a green LED light emitting diode, perhaps, each LEDLED pixel is provided with two red LED light emitting diodes, a blue led light emitting diode and a green LED light emitting diode.
And the color development area of each LED pixel is identical.Described color development area refers in each LED pixel, redness, green and blue led light emitting diode are when luminous, at CIE (French Commission Internationale de L ' Eclairage, English International Commission onIllumination) 1931 chromaticity diagrams (CIE 19312 Chromaticity Diagram, also claim chromatic diagram) in the zone that chromaticity coordinates constituted, perhaps, be in the zone that chromaticity coordinates constituted of CIE1976 even color figure, i.e. the color development area of each LED pixel.The color development area of each LED pixel is identical, and then described LED display shows homogeneous, and display effect is very good.
Embodiment 6
On the basis of above-mentioned each example, described LED display is provided with at least one identify unit, is used to identify each performance parameter of described LED display.
For example, can only be set to one, be used for the performance parameter of the described LED display of whole sign; Perhaps, a plurality of identify units are set and identify performance parameters different in the described LED display respectively.
For example, present embodiment can only be provided with an identify unit, each performance parameter of described LED display can comprise, the package assembly of described LED display and color development area, for example, described package assembly is, be assembled into the quantity and the size of each led module of described LED display, perhaps, the spacing of adjacent each LED pixel, or, the shape of described LED display and size etc.
Each performance parameter can also be in the described LED display, and the brightness of each LED light emitting diode and wavelength coverage in addition, can also identify shape, size of color, encapsulation, size and each led module of each LED light emitting diode etc.
Perhaps, can also on the described in the present embodiment LED display two or more identify units be set, be used to identify the different performance parameter of described LED display, for example, identify unit A and identify unit B are set, identify unit A is used to identify the package assembly of described LED display, and identify unit B is used to identify the color development area of described LED display.
Each identify unit can adopt the mode that embeds or paste, can be arranged on the edge part of described LED display, for example, be arranged on each side of described LED display, or be arranged on arbitrary side of described LED display, in addition, can also be arranged on the edge of side of described LED display, identify unit is arranged on the side, can make identify unit not take the installation site of other electronic devices and components on the described LED display, and, do not influence yet described LED display display surface specious.
And the identify unit embedding is arranged on the described LED display, can make identify unit deposit, use, be not easy to come off under the situation such as transportation, make described display device, still can clearly recognize each performance parameter of described LED display through long storage time, use or transportation.
And for example, identify unit can be a paper labels or plastic label; Use paper labels to make to wait in use very convenient, for example, can directly paper labels be sticked on the side or side of described LED display, identification means is simple, and makes things convenient for.And use plastic label can make label more durable, be not easy infringement.
In addition, the bar code that identify unit can also design for each performance parameter that has according to described LED display can show each specific performance parameter of described LED display by scanning; Adopt bar code,, adopt the electronic tool management simultaneously, management is standardized more, make when seeking, using the described LED display of each performance parameter convenient, quick by data are imported computer.
Embodiment 7
On the basis of above-mentioned each example, also one black coating or a water barrier also are set on the surface of described LED display.
For example, the surface of described LED display also is provided with a black coating, and described black coating has the effect of extinction, can be used as light-absorption layer.The light that described black coating can make each LED pixel of described LED display send is interference-free, perhaps, described black coating also can the black rete, covers the surface of described LED display by the mode of plated film, promptly covers on the display panel of described LED display.
Above-mentioned black coating also can only be one deck, two-layer or multilayer black coating.
And for example, the surface of described LED display also is provided with a water barrier, can make described LED display have effects such as better waterproof and protection against electric shock, and, described water barrier can be a water-proof coating or a membrane waterproofing, and membrane waterproofing can adopt various waterproof plastic materials to cover the surface of described LED display by the mode of plated film.
Above-mentioned water-proof coating or membrane waterproofing can only be one deck, two-layer or multilayer flashing coating or membrane waterproofing,, and, can also be wholely set with described black coating.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a LED screen display system is characterized in that, comprises LED display and measuring and controlling device;
Described LED display comprises a framework and at least two pcb boards, and at least one LED pixel is set on arbitrary pcb board, and each LED pixel becomes dot matrix to arrange;
Described measuring and controlling device comprises detection module and control module, and described detection module is provided with detection sub-module, sub module stored and state feedback submodule, and described control module is provided with digital coding submodule, data check error correction submodule and controlling sub;
Described digital coding submodule is connected with external video source, is used to receive outside vision signal, carries out digital coding, generates video data;
Comprising the described detection sub-module that detects data generating unit is connected with described state feedback submodule, described sub module stored, described LED display, described data check error correction submodule respectively, be used for detecting each the LED pixel of described LED display and the circuit state of each circuit between each LED pixel, generate the detection data by described detection data generating unit according to described circuit state, send to described data check error correction submodule, described sub module stored and described state feedback submodule respectively by described detection sub-module;
Described sub module stored is used for receiving and storing described detection data;
The described state feedback submodule that comprises state video data generation unit is used to receive described detection data, by described state video data generation unit according to described detection data, analyze the state of described LED display, generation state video data, and described state video data sent to external display terminal;
Described data check error correction submodule also is connected with described digital coding submodule, described controlling sub respectively, be used to receive described video data,, proofread and correct described video data according to described detection data, and, the video data after proofreading and correct is sent to described controlling sub;
Described controlling sub is connected with described LED display, is used for controlling described LED display according to the video data after proofreading and correct.
2. LED screen display system according to claim 1 is characterized in that it comprises described display terminal, is connected with described state feedback submodule, is used for showing the state of described LED display according to described state video data;
Described sub module stored is provided with the covering storage unit, is used to adopt new detection data to replace original detection data, covers storage;
And described display terminal also is connected with described sub module stored, is used to analyze described detection data, shows the performance parameter of described LED display.
3. LED screen display system according to claim 1, it is characterized in that, described detection module also is provided with a failure warning submodule, be connected with described state feedback submodule, be used for according to described state video data, generate the failure warning signal data, and described failure warning signal data is sent to described display terminal.
4. LED screen display system according to claim 1 is characterized in that, described digital coding submodule is provided with coding unit, be used to be provided with network data package form, carry out digital coding according to described package form, wherein, every frame data are made up of packet header, data, bag tail.
5. LED screen display system according to claim 1 is characterized in that, is connected by super Category-5 twisted pair or optical cable between each module.
6. LED screen display system according to claim 1 is characterized in that described detection sub-module is provided with current detecting unit and/or voltage detection unit, is respectively applied for the electric current, the voltage that detect each circuit between each LED pixel and/or each the LED pixel;
Described detection data generating unit is used for generating described detection data according to described electric current and/or voltage.
7. LED screen display system according to claim 1 is characterized in that, arbitrary LED pixel is provided with at least one red LED light emitting diode, at least one blue led light emitting diode and at least one green LED light emitting diode; And the color development area of each LED pixel is identical.
8. LED screen display system according to claim 1 is characterized in that described LED display is provided with at least one identify unit, is used to identify each performance parameter of described LED display.
9. LED screen display system according to claim 8 is characterized in that, described identify unit is paper labels or plastic label; Perhaps be to have the bar code that designs according to each performance parameter.
10. LED screen display system according to claim 1 is characterized in that, the surface of described LED display also is provided with a black coating or a water barrier.
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814259A (en) * | 2009-11-03 | 2010-08-25 | 北京巨数数字技术开发有限公司 | LED display system |
| CN102013231A (en) * | 2010-12-17 | 2011-04-13 | 深圳市中庆微科技开发有限公司 | Light emitting diode (LED) control device for transmitting redundancy fault-tolerant data |
| CN102081895A (en) * | 2011-03-02 | 2011-06-01 | 厦门市华泰视通科技有限公司 | Light emitting diode (LED) display screen fault acquisition and analysis system |
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| CN102097053A (en) * | 2011-02-16 | 2011-06-15 | 冉红 | LED control system for automatically detecting resolution of units |
| CN102097053B (en) * | 2011-02-16 | 2015-07-22 | 浙江传媒学院 | LED control system for automatically detecting resolution of units |
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| CN102176301B (en) * | 2011-02-22 | 2015-09-02 | 刘敬梅 | A kind of LED control device of system intelligence monitoring and LED control system |
| CN102081895A (en) * | 2011-03-02 | 2011-06-01 | 厦门市华泰视通科技有限公司 | Light emitting diode (LED) display screen fault acquisition and analysis system |
| CN102136227A (en) * | 2011-03-17 | 2011-07-27 | 深圳市中庆微科技开发有限公司 | Intelligent installing and connecting device for detecting LED case on line |
| CN102169666A (en) * | 2011-03-17 | 2011-08-31 | 深圳市中庆微科技开发有限公司 | Intelligent light emitting diode (LED) display system capable of detecting on line |
| CN102169666B (en) * | 2011-03-17 | 2016-04-27 | 深圳市中庆微科技开发有限公司 | The LED display system that a kind of intelligent online detects |
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| CN102222466A (en) * | 2011-06-16 | 2011-10-19 | 冉红 | Directly recovered light emitting diode (LED) control system |
| CN102222466B (en) * | 2011-06-16 | 2015-08-05 | 刘敬梅 | A kind of LED control system of direct recovery |
| CN103700332A (en) * | 2013-12-11 | 2014-04-02 | 京东方科技集团股份有限公司 | Display device |
| CN103985357A (en) * | 2014-05-27 | 2014-08-13 | 西安诺瓦电子科技有限公司 | LED lamp panel, tail end terminating module, LED control card and LED display system |
| CN103985357B (en) * | 2014-05-27 | 2016-03-23 | 西安诺瓦电子科技有限公司 | LED lamp panel, end termination module, LED control card and LED display system |
| CN105913797A (en) * | 2016-06-16 | 2016-08-31 | 深圳市艾比森光电股份有限公司 | LED display screen module correction data automatic loading method and system |
| CN109545127A (en) * | 2018-12-19 | 2019-03-29 | 广州励丰文化科技股份有限公司 | A kind of display system of the diamond shape LED screen canopy of the heavens |
| CN112331133A (en) * | 2020-08-24 | 2021-02-05 | 浙江宇视科技有限公司 | Display control method, device, medium and system of LED screen |
| CN112965625A (en) * | 2021-02-02 | 2021-06-15 | 深圳市博领科技电子有限公司 | Display screen bad point detection system and detection method thereof |
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